Chord Constructionmajor chord: chord has major third (R + 3)chord is (b5): major + has diminished 5th (R´+ b5)chord is 7b5 (major with diminished 5th and dominant 7): b5 + m7chord is 11b5: chord 7b5 with added 4th (11th)add degrees that do not fit in the chord structure: add(#5)